baber/WOPTO huggingface dataset:
Patent JP-H06268301-A (JP)
Title: Semiconductor device
Inventor: HIKASA KAZUHIKO
IPC: H01S5/042
Filed: 1993-03-16
Abstract: PURPOSE:To suppress overshoot noise due to laser diode by feeding ON current to a first transistor while preventing suction of load bias current. CONSTITUTION:After turn ON of a transistor T6 before turn ON of a transistor T3, a transistor T4 in the current supply circuit CS of a laser diode driver LDD is turned ON to feed a predetermined current IC. The current IC is sucked through the transistor T6 being turned ON thus producing a current for perfectly turning the transistor T6 ON. Consequently, a driving current IL corresponding to IB+IA flows constantly through a laser diode LD even during an interval after turn ON of the transistor T6 and before turn ON of the transistor T3. Furthermore, the transistor T6 is fed with sufficient ON current and approaches perfect ON state quickly.
Patent JP-H06269184-A (JP)
Title: Driver for ultrasonic motor
Inventor: TAKEDA MASAHIRO
IPC: H02N2/00
Filed: 1993-03-10
Abstract: PURPOSE:To provide a driver for an ultrasonic motor which can drive the ultrasonic motor stably through a simple structure even if the temperature of the stator rises due to high ambient temperature. CONSTITUTION:An oscillation means 7 generates a reference frequency voltage using a part of reactance component of a piezoelectric element. Since the reference frequency voltage is generated using the reactance component of the piezoelectric element 3 having identical temperature coefficient as the stator 2, the driving frequency varies according to the variation in the resonance frequency of the stator 2 due to temperature variation thus stabilizing the operation constantly against temperature variation.
Patent JP-S60225123-A (JP)
Title: Camera
Inventor: TODA MASATO
IPC: G03B9/70
Filed: 1984-04-23
Abstract: PURPOSE:To detect optically and accurately the opening/closing operation of a shutter member and to send out a detection signal as a synchronizing signal by arranging a light emitting element and a photodetecting element opposite each other across the shutter member. CONSTITUTION:Light from the diagnosing lamp 12 of an endoscope photographing device is passed through a light guide 8 to illuminate the part in the somatic cavity from the tip of an insert part 2. A patient's light image is passed through an image guide 7, lens system 22, and beam splitter 23, and then passed through a pentagonal prism 20 from a movable reflecting mirror 21 to reach a finder window 18. When the shutter release button of a camera body 17 is pressed, the mirror 21 rotates upward and when the shutter curtains 19 are fully open, light from the light emitting element 26b is photodetected by the photodetecting element 26c, whose output is sent from a detecting circuit 26a to a control circuit 15 through a signal line 28. An optical path selector mirror 14 rotates upward and flash light from a lamp 13 for photography is sent to the side of an endoscope 1. Consequently, trouble of a mechanical contact is eliminated and the synchronizing signal of the fully-open shutter is sent out accurately.
Patent JP-S59208984-A (JP)
Title: Solid-state image pickup device
Inventor: TANUMA CHIAKI
IPC: H04N5/335
Filed: 1983-05-12
Abstract: PURPOSE:To attain miniaturization and to obtain a highly minute picture by providing a solid-state image pickup element and a longitudinal effect piezoelectric displacement element in which the solid-state image pickup element is fixed so as to move relatively the solid-state image pickup element in one plane to an incident light image. CONSTITUTION:A laminated type piezoelectric element is used as the longitudinal effect type piezoelectric displacement element 4. Plural number of piezoelectric thin sheets are laminated via electrodes in the laminated type piezoelectric element, and polarity processing is applied in opposite direction to adjacent piezoelectric thin sheets. The electrodes are connected in common at each one interval and assembled as two groups of electrodes, and a driving voltage is applied to individual piezoelectric thin sheets by applying the driving voltage between the two groups of electrodes, a displacement is produced in the direction of voltage application, the displacement is added by the number of laminated sheets to deflect the solid-state image pickup element 1. In using 300 piezoelectric thin sheets having a thickness of 0.05mm. via the electrodes of Ag-Pd system or Pt-Pd system or the like as the longitudinal effect type piezoelectric displacement element, the sensitivity of displacement is 20mum/100V and the sufficient displacement is obtained by a low voltage.
Patent JP-S63247211-A (JP)
Title: Driving method for multiple part feeder
Inventor: KOYAMA MASAFUMI
IPC: B65G27/32
Filed: 1987-04-01
Abstract: PURPOSE:To prevent the vibration interference of the bowl units by alternately exciting the bowl units by allowing an ac current which is obtained by the half-wave rectification with a prescribed phase difference to flow into the magnetic coils of the bowl units which has a deflected phase. CONSTITUTION:The coils of magnets Ma and Mb of a bowl unit are connected with the output sides of a half-wave rectifiers X1 and X2, and the output of an ac power source W is input in the state where the phase is deflected by 180 deg., into the input sides of the half-wave rectifiers X1 and X2. Since the phase of the electric current which flows in each coil of the magnets Ma and Mb is deflected by 180 deg., the magnets Ma and Mb of the upper and lower bowl units are excited alternately. Therefore, each direction of vibration of the both magnets Ma and Mb becomes reverse phase and offset each other. Therefore, the vibration interference between the upper and lower bowl units is prevented, and installation is stabilized.
Patent JP-H05282542-A (JP)
Title: Sound data supply system
IPC: G07F9/02
Filed: 1992-04-03
Abstract: PURPOSE:To eliminate the need of storing all multiple sound guide data in a device so as to miniaturize the device by receiving and recording sound data from a radio transmitter installed at a specified place when a person who carries a unit passes through a specified area. CONSTITUTION:Sound data on an exhibit exhibited in an exhibition room A is always radio-originated in the sound data reception area 7 of the exhibition room A. The person who carries the unit can automatically receive sound data on the exhibit exhibited in the exhibition room A by moving in the sound data reception area 7 of the exhibition room A. He can similarly and automatically receive sound data on the exhibit exhibited in exhibition rooms B and D by moving the sound data reception area 8 of the exhibition rooms A/B/D. Namely, RAM is used for the storage medium of sound data, and sound data which are collected into several minimums are received. Thus, the capacity of a sound memory incorporated in the device can be miniaturized.
Patent JP-H01253435-A (JP)
Title: Gold/silver composite material
Inventor: MATSUSHITA TOMIHARU
IPC: B32B15/01
Filed: 1988-04-01
Abstract: PURPOSE:To improve the value of a decoration by sufficiently utilizing the contrast of gold and silver colors without diffusing a gold layer and a silver layer between layers by interposing a palladium or palladium alloy layer between a gold or gold alloy layer and a silver or silver alloy layer. CONSTITUTION:A palladium tube 2 having high purity is, for example, superposed on the outer periphery of a silver columnar rod 1, a 18K gold alloy tube 3 is superposed on its outer periphery to form a multilayer columnar post. In order to assemble it, the multilayer post is associated in copper dummy blocks 4, 5 having an inner hole to be engaged with the post, a gap 6 between the blocks 4 and 5 is evacuated, and they are circumferentially welded in the gap 6 to manufacture a columnar billet 7. Further, the billet is hot hydrostatically extruded with grease as pressure medium to form a composite rod. This rod is wire drawn, copper of its surface layer is removed, it is further wire drawn to form a 18K alloy clad gold/silver composite wire. Moreover, after a groove 10 is formed along the outer periphery of the composite wire in this manner, it is bent in a ring state, and coupled at its both ends by gold brazing 9, thereby providing a ring 10.
Patent JP-S578938-A (JP)
Title: Tape end detecting circuit of magnetic recorder and reproducer
Inventor: SAKAI KOUICHI
IPC: G11B15/093
Filed: 1980-06-16
Abstract: PURPOSE:To shorten the time required for tape end detection by obtaining a different pulse from a detection pulse for the rotation of a reel turntable and by achieving the tape end detection by using the obtained pulse. CONSTITUTION:The base circuit of a transistor (TR) Q4 turns on for a certain time when a Hall IC6 changes from an H to L, thereby charging a capacitor C5 through a resistance R9 and a diode D4. Since the capacitor C5 is charged when the output of the Hall IC6 changes from the L to H and H to L, the discharge time constant C5XR14 is reduced approximately to half as compared with the conventional one, and consequently the detection time for the ending terminal and starting terminal of a tape is nearly halved. The output of the Hall IC7 is inputted to a microcomputer M and stored in an RAM9 to set a zero flag ZF11 at need.
Patent JP-S58198914-A (JP)
Title: Equalizer device
Inventor: YAMADA AKIYOSHI
IPC: G10K15/00
Filed: 1982-05-14
Abstract: PURPOSE:To make a connection on a time axis including up to the reproduction space of acoustic reproduction by applying each output of a delay device consisting of cascaded unit delay elements to a coefficient device through an LPF, and adding an output varies in coefficient +1--1. CONSTITUTION:An input signal 1 is delayed by delay time tau1 at every unit delay element 2-i, which generates an output with delay time which is an integral multiple of the delay time tau1. The output of each element 2-i is inputted to a coefficient device 4-i through the LPF3-i to be multiplied by a coefficient between +1 and -1, thus allowing each coefficient device 4-i to generate an output based upon the proper coefficient. Those outputs are summed up by an adder 5 to generate such a serial signal that the signal is compensated in a time area.
Patent JP-S5710047-A (JP)
Title: Heat-accumulating chamber
Inventor: MIYANARI MASAHARU
IPC: F28D20/00
Filed: 1980-06-16
Abstract: PURPOSE: To prevent the inside of the upper chamber from being stirred by the bubbles generated in the lower chamber of a heat-accumulating chamber and effectively accumulate heat in the upper chamber, over from the upper part through the lower part thereof, by dividing the heat-accumulating chamber into two parts in the vertical direction, and disposing an air-vent pipe at the part partitioning said upper and lower chambers.  
     CONSTITUTION: A heat-accumulating chamber 1 is divided into an upper chamber 2 and a lower chamber 3, which are connected together through a communicating pipe 11 projecting into the lower chamber 3. At the upper end part of the lower chamber 3, an air-venting pipe 12 is provided projecting above the upper end part of the upper chamber 2. Because the bubbles generated in said lower chamber 3 are directly discharged out of the heat-accumulating chamber 1 by means of the air-vent pipe 12, the inside of the upper chamber 3 is never stirred. Moreover, because the communicating pipe 11 is projected into the lower chamber 2 in this case, the generated bubbles hardly enter into said communicating pipe 11. Accordingly, it is possible to prevent the mixing of the water in the upper and lower chambers 2 and 3. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H11284308-A (JP)
Title: Method and device for regenerating circuit board
Inventor: HARA KAZUMI
IPC: G02F1/1345
Filed: 1998-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a method and device for regenerating circuit board by which high-quality circuit boards can be reproduced efficiently. SOLUTION: In a method for regenerating circuit board, a first process of removing an element, such as the IC 102, TAB (103), etc., mounted on a circuit board 101 by using a resin from the circuit board 101 and a second process of removing a residual resin 104 adhering to the surface of the circuit board 101 are executed in this order. The second process is executed by sliding a blade 5 on the portion containing the adhering residual resin 104 of the circuit board 101 fixed to the table 1 along guide rails 2 fixed to the table 1 while the blade 5 is held by a blade holding section (4) which can be moved along the guide rails 2.
Patent JP-H11281782-A (JP)
Title: Method for driving vibration alarm
Inventor: SUZUKI YUTAKA
IPC: G04B25/04
Filed: 1998-03-27
Abstract: PROBLEM TO BE SOLVED: To allow an effective alarm with limited power supply energy by changing a driving signal of a DC motor with an eccentricity weight according to a power voltage value or the presence or absence of an alarm sound stopper. SOLUTION: An output signal 25S of a digital comparator 25 is set to low and high levels when a power voltage value is set to lower than 1.4 V and equal to or higher than 1.4 V, respectively. An output signal 27S of a digital comparator 27 is set to low and high levels when a power voltage value is set to lower than 2.2 V and equal to or higher than 2.2 V, respectively. A DC/DC transducer 28 is a widely known voltage for driving a vibration motor 22. Also, the DC/DC transducer 28 can change a voltage transition ratio according to a control signal, thus controlling the driving signal of the vibration motor being mounted to compact portable equipment, continuously giving optimum vibration to a user, and extremely effectively using less energy.
Patent JP-S58199917-A (JP)
Title: Water drain device
Inventor: KUMAGAI SHIGETO
IPC: E02B11/00
Filed: 1982-05-18
Abstract: PURPOSE:To prevent the overdrying of the surrounding ground of a water drain device by a method in which supporting walls are provided downwardly on both sides of a drain pipe, horizontal plates are provided between the lower ends of the supporting walls to form spaces, and water under the ground is stored in the spaces and oozes into the ground during a dry season. CONSTITUTION:Plural water conducting plates 1-3 are connected in such a way that slit-shaped small apertures are radially formed between their inner edges, and pipes 6 with opened upper parts fixed with a rib 14 under such a condition that small apertures 5 are formed below the left and right-handed water conducting plates 2 and 3 to make up a water drain device 7. In setting the water drain device 7 under the ground, the horizontal plates 16 and 17 at the lower parts of a supporting wall 15 formed downwardly from left and right- handed both sides of the pipe 6 are placed on a sand layer 23 and buried. Water under the ground is discharged through the water conducting pipe 6 and part of the water is stored in the spaces 26 through the apertures 18. When the surrounding ground is dried, the water penetrates the ground through the apertures 18 to prevent the overdrying of the surface layer 25 of the ground.
Patent JP-H11266354-A (JP)
Title: Facsimile equipment, space addition method for the same and storage medium
Inventor: KATAHIRA YOSHIAKI
IPC: H04N1/387
Filed: 1998-03-16
Abstract: PROBLEM TO BE SOLVED: To provide facsimile equipment that adds a desired space onto recording paper by making it selectable as to whether or not a space is to be rotated in the case that rotated image data are printed out and a preset space amount is added onto recording paper and by making it possible to change the preset space in the case that the space part is to be rotated, and to provide a space addition method for the facsimile equipment and its storage medium. SOLUTION: The proposed facsimile equipment is provided with a RAM 103 that stores a space management table on which space setting values denoting a space amount to be added to recording paper in the case of recording image data and rotation consideration items at space addition designating whether or not rotation of image data is to be, considered in the case of adding a space onto the recording paper are stored, and with a CPU 101 that references the space management table to discriminate whether or not the space addition is conducted by taking the rotation of image data into account and executes space setting value rotation processing and space addition recording processing based on the discrimination.
Patent JP-H06154586-A (JP)
Title: Fine ceramic balloon and manufacture of the same
Inventor: JINNO YOSHITAKA
IPC: C03B19/08
Filed: 1992-03-03
Abstract: PURPOSE:To provide fine ceramic balloons which have good properties of lightweight, thermal insulation, heat resistance, corrosion resistance, sound absorption, adsorption, waterproof, and mechanical strength and are characterized by closed pores and sphericity and the manufacturing method of them. CONSTITUTION:In the manufacture of fine volcanic glass balloons with a particle size of 20mum or less or fine ceramic balloons with a particle size of 1mm or less, untreated fine particles, which indicate ignition loss, are dispersed in a gaseous medium and heated in a moment above their softening temperature. In this way, fine ceramic balloons can be produced from fine particles of any material, if it contains bound water, crystallization water, or other components which generate gas by thermal decomposition, that is, if it indicates ignition loss. The raw material does not require treatments including the addition of a foaming agent and core material to be removed by melting and treatment with an acid solution to increase foaming components. Fine particles with a particle size adjusted previously in a specified diameter can be converted into balloons without being subjected to chemical treatment.
Patent JP-H01256022-A (JP)
Title: Optical information recording and reproducing device
Inventor: NODA KAZUO
IPC: G11B7/135
Filed: 1988-04-04
Abstract: PURPOSE:To attain high speed processing by using an optical head having diffraction grating, using the 0th order diffracted light so as to record information in case of recording the information, applying tracking by + or -1st order diffracted light and applying tracking by the 0th order diffracted light and information reproduction by the high order odd number diffracted light including the + or -1st order diffracted light in case of reproducing the information. CONSTITUTION:An optical head having a diffraction grating 9 and an information recording medium 1 having a guide track 2 are used, and the information recording is applied by the 0th order diffracted light and the tracking is applied by the + or -1st order diffracted light by using the diffracted grating 9 in case of reproducing the information and the information is reproduced by the high order diffracted light including the + or -1st order diffracted light. Thus, the 0th order diffracted light with high energy is radiated onto the medium to apply recording and the recorded information is reproduced by using the high order diffracted light, then the information is reproduced in parallel simultaneously from plural tracks. Thus, the reproducing speed is quickened.
Patent JP-S527289-A (JP)
Title: Radioactive gas monitor
Inventor: KITAGUCHI HIROSHI
IPC: G21C17/00
Filed: 1975-07-07
Abstract: PURPOSE: With this atomizing type radioactive gas monitor, the atomizer aolution applied for the chemical collecting system is circulated, and the radioactive material gathered by thechemical collecting system is condensed so that mearusurement may be made of the gaseous radioactive material with a low concentricity. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S51130317-A (JP)
Title: Hollow, annular conjugate fibers
Inventor: FUJIMOTO IWAO
IPC: D01F8/14
Filed: 1975-07-07
Abstract: PURPOSE: Conjugate fibers which can be divided into single fibers of 0.1 denier for monufacturing nonwoven fabric quite similar to natural hide. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S63248714-A (JP)
Title: Production of high purity mullite powder
Inventor: MIYAZAKI KUNIHIRO
IPC: C01B33/26
Filed: 1987-04-06
Abstract: PURPOSE:To produce high purity mullite powder having superior sintering characteristics in a high yield by heat treating a product obtd. by bringing an aq. soln. of a basic aluminum salt and an aq. soln. of an alkali silicate into a neutralization reaction with chelate compound. CONSTITUTION:An aq. soln. of 2-4pH contg. a basic aluminum salt represented by formula I (where X is an anion such as Cl<-> or NO3<-> and 0<n<6) and an aq. soln. of 11-14pH contg. an alkali silicate represented by formula II [where M is an alkali metal such as Na or K, (n) is 0.5-5 number of moles of SiO2 and (m) is number of moles of H2O] are brought into a neutralization reaction with chelate compound in such a molar ratio that a compsn. nearly correspond ing to the compsn. of mullite is obtd. when expressed in terms of Al2O3 and SiO2. By the reaction, Al2O3-SiO2 hydrate is precipitated. In case where the basic aluminum salt or the alkali silicate is present in the residual soln., a basic or acidic neutralizing agent is added to carry out neutralization as required and Al2O3 hydrate or SiO2 hydrate is precipitated. The resulting precipi tate is recovered, treated with a mineral acid, neutralized, washed, dried and heat treated at 950-1,300 deg.C.
Patent JP-H11254294-A (JP)
Title: Washer device for level block correcting dresser
Inventor: HIRATA KAZUHIKO
IPC: B24B53/017
Filed: 1998-03-13
Abstract: PROBLEM TO BE SOLVED: To easily surely wash away deposit adhering to a level block correcting dresser in a surface polishing device. SOLUTION: An air nozzle 15 for bubbling, a first lower surface brush 18 into slide contact with a dressing member 9, and second lower surface brushes 22a, 22b into slide contact with a part 6a except the dressing member 9, are provided in the inside of a washing tank 11 for storing a dresser 6 provided with the dressing member 9 in a lower surface in a condition immersed in a washing fluid, also a side brush 25 into contact with an outer side surface of the dresser 6 is provided.
Patent JP-S63250469-A (JP)
Title: Gold-plated conductor and its production
Inventor: USHIO JIRO
IPC: H01L23/50
Filed: 1987-04-06
Abstract: PURPOSE:To obtain the title gold-plated conductor having an excellent connecting characteristic such as a wire bonding property by dipping a material to be plated in an electroless gold plating soln. contg. water, a gold (I) thiosulfate complex salt, a thiosulfate, a urea-based compd., a pH regulator, and a stabilizer. CONSTITUTION:A material to be plated is dipped in the electroless gold plating soln. contg. water, a gold (I) thiosulfate complex salt, a thiosulfate, a urea-based compd., a pH regulator, and a stabilizer, and electroless gold plating is carried out at 60-80 deg.C and 3.0-11.0 pH. The gold (I) thiosulfate complex salt is the reaction product of a aurate (III) halide and a thiosulfate, thiourea, urea, and dimethylurea are used as the urea compd., a sulfite is used as the stabilizer, and ammonium chloride or borax is used as the pH regulator. By this method, a gold-plated conductor having an excellent connecting characteristic such as a wire bonding property and an excellent electrical characteristic such as contact resistance is obtained.
Patent JP-S59208525-A (JP)
Title: Protective spectacles
Inventor: KOYAMA AKIO
IPC: G02C7/10
Filed: 1983-05-12
Abstract: PURPOSE:To raise safety by making a free end of a transparent film contact to the outside surface of a lens, inserting it into a film winding part of the other end side, and providing an operating member for winding the transparent film by a prescribed length on this film winding part. CONSTITUTION:A film storing part 1 and a film winding part 2 are fitted to both ends of a lens 3 by a fitting tool 8 respectively so as to be freely attachable and detachable, so that a transparent film 4 contained in the film storing part 1 is wound by the film winding part 2, making it contact to the outside surface of the lens 3. When a knob 5 attached to the film winding part 2 is drawn, the transparent film 4 of a length of a part which has contacted to the lens 3 is wound into the film winding part 2.